19881252

素因数分解:

$2^2\times 3^2\times {\mathrm{269}}^1\times {\mathrm{2053}}^1$

素因数の和:2332

約数の個数: 36

約数和(自身を含む): 50466780

約数和(自身を除く): 30585528

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 269, 538, 807, 1076, 1614, 2053, 2421, 3228, 4106, 4842, 6159, 8212, 9684, 12318, 18477, 24636, 36954, 73908, 552257, 1104514, 1656771, 2209028, 3313542, 4970313, 6627084, 9940626, 19881252]

約数ペア:

[(1, 19881252), (2, 9940626), (3, 6627084), (4, 4970313), (6, 3313542), (9, 2209028), (12, 1656771), (18, 1104514), (36, 552257), (269, 73908), (538, 36954), (807, 24636), (1076, 18477), (1614, 12318), (2053, 9684), (2421, 8212), (3228, 6159), (4106, 4842)]